Ceiling fan



FIG. 1 is a perspective view of a ceiling fan showing an embodiment in accordance with my design;

FIG. 2 is a top plan view of the ceiling fan in accordance with my design;

FIG. 3 is a bottom plan view of the ceiling fan in accordance with my design;

FIG. 4 is a rear elevation view of the ceiling fan in accordance with my design;

FIG. 5 is a front elevation view of the ceiling fan in accordance with my design;

FIG. 6 is a left-side elevation view of the ceiling fan in accordance with my design; and,

FIG. 7 is a right-side elevation view of the ceiling fan in accordance with my design.

The broken lines showing the environmental structure are for illustrative purposes and form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 